No, Scylla is not real. Scylla is a mythological demon in the Odyssey who was once a beautiful naiad, (sea nymph) and Poseidon was attracted to her and so Poseidon's wife found out and turned the naiad into Scylla. This information is in the book The Odyssey, you should read it
who is scylla
Scylla's parent's are Triton and Lamia.
Scylla
Scylla Médici was born in 1908.
Scylla paramamosain was created in 1949.
Ethmia scylla was created in 1973.
Scylla tranquebarica was created in 1798.
Catopsilia scylla was created in 1763.
Scylla serrata was created in 1775.
Scylla Médici died in 2003.
Scylla wasnt a god, she was either a Princess (daughter of Nisus or Megera) or a sea nymph. The most known myth of Scylla is Scylla and Glaucus where she was turned into a monster by a jealous Circe. But otherwise, there is no real symbol for Scylla.